1 files changed, 16 insertions, 7 deletions

diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c
index 1b128702d300..c2408bbe9c2e 100644
--- a/drivers/cpuidle/governors/menu.c
+++ b/drivers/cpuidle/governors/menu.c
@@ -234,6 +234,7 @@ static int menu_select(struct cpuidle_device *dev)
 {
         struct menu_device *data = &__get_cpu_var(menu_devices);
         int latency_req = pm_qos_request(PM_QOS_CPU_DMA_LATENCY);
+        unsigned int power_usage = -1;
         int i;
         int multiplier;
 
@@ -278,19 +279,27 @@ static int menu_select(struct cpuidle_device *dev)
         if (data->expected_us > 5)
                 data->last_state_idx = CPUIDLE_DRIVER_STATE_START;
 
-
-        /* find the deepest idle state that satisfies our constraints */
+        /*
+         * Find the idle state with the lowest power while satisfying
+         * our constraints.
+         */
         for (i = CPUIDLE_DRIVER_STATE_START; i < dev->state_count; i++) {
                 struct cpuidle_state *s = &dev->states[i];
 
+                if (s->flags & CPUIDLE_FLAG_IGNORE)
+                        continue;
                 if (s->target_residency > data->predicted_us)
-                        break;
+                        continue;
                 if (s->exit_latency > latency_req)
-                        break;
+                        continue;
                 if (s->exit_latency * multiplier > data->predicted_us)
-                        break;
-                data->exit_us = s->exit_latency;
-                data->last_state_idx = i;
+                        continue;
+
+                if (s->power_usage < power_usage) {
+                        power_usage = s->power_usage;
+                        data->last_state_idx = i;
+                        data->exit_us = s->exit_latency;
+                }
         }
 
         return data->last_state_idx;